Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.951746661017
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 2, worker: A1OPUMTQBJ9A09
darker: E (eq: True, dd: None), confidence: 2, worker: A3VKWFQA0KO1KB
darker: E (eq: True, dd: None), confidence: 1, worker: A3GGE6TW2JXBEA (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3163PFOUKXQKA
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2Z6WC0PX1L4UG (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A2FNC7KTCBF9IT
darker: E (eq: True, dd: None), confidence: 2, worker: A2TTWBQFLFUCZ3
(0: guessing, 1: probably, 2: definitely)